Gabriel Wicke wrote:
A quote: Google's infrastructure: Google uses consumer-level hard disks and 'really cheap, unreliable memory.' ('If something fails, it's not you, it's probably the memory.') They have around 10,000 commodity-level Linux computers set up in a parallel network ('the largest Linux cluster in the world'), and anticipate the death of 'a few machines every day.'
They better do, because even highly reliable machines have a Lifetime << 10,000 days (~27 years!).
Rob